Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / obp / obp / dev / southbridge / ontario / isa / isa.tok

\ ========== Copyright Header Begin ==========================================
\ 
\ Hypervisor Software File: isa.tok
\ 
\ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
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\ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A 
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\ ========== Copyright Header End ============================================
id: @(#)isa.tok 1.3 07/04/12 
purpose: 
copyright: Copyright 2007 Sun Microsystems, Inc.  All Rights Reserved
copyright: Use is subject to license terms.

fcode-version3

fload ${BP}/dev/southbridge/ontario/config.fth
fload ${BP}/dev/southbridge/isa/isa.fth
fload ${BP}/dev/southbridge/ontario/isa/init.fth

fload ${BP}/dev/utilities/probe.fth

1 encode-int " #interrupt-cells" property
h# 3 encode-int h# ffffff en+ h# f en+ " interrupt-map-mask" property

\ Need to point to pci leaf B for interrupt handling
\ ebus is not a child of pci on Fire
" /pci@7c0" find-package if
   is my-interrupt-parent
else
   cmn-fatal[ " interrupt-map is broken" ]cmn-end
then

: isa-device$ ( pa.lo pa.hi -- adr,len )
   encode-unit " isa-" probed-device$
   swap >r tuck r@ cmove r> ca+
   swap >r tuck r@ cmove r> ca+
   probed-device$ tuck -
;
' isa-device$ is make-probe-device$


fload ${BP}/pkg/asr/prober-support.fth
fload ${BP}/dev/utilities/cif.fth

defer package-to-path  0 " package-to-path" do-cif is package-to-path
h#  80 buffer: devname

: phandle>devname ( phandle -- buf,len )
   >r  devname h# 80 over r> package-to-path		( buf,len )
;

: asr-device-disabled?  ( dev#$ -- disabled? )
   my-self ihandle>phandle phandle>devname      ( reg$' nexus$ )
   2swap 		asr-query		( build-it? )
   0=			( true | false )
;

: probe-serial  ( -- )
   \ my-space
   \    my-address	probe?	intr    ino	locn
   0	h# 3f8	-1	1	h# 2	0 0	 probe-table!	\ ttya
   build-probed-nodes
;

open-asr-package if
   " 3f8"	\ ttya dev#$
   asr-device-disabled? 0= if
      probe-serial
   then
else
   cmn-warn[ " Could not open asr package." ]cmn-end
   probe-serial		\ assume enabled
then

end0